(x + 2)^(3) - (x - 2)^(3)
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Answer:
3.2298
Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
Given :(x+2)^3-(x-2)^3
To Find : Factorize
Solution:
(x+2)^3-(x-2)^3
Identity: a^3-b^3=(a-b)(a^2+ab+b^2)
a = x+2
b = x-2
Substitute in the identity
(x+2-x+2)((x+2)^2+(x+2)(x-2)+(x-2)^2)
4(x^2+4+2x+x^2-4+x^2+4-2x)
4(3x^2+4)
So, :(x+2)^3-(x-2)^3 = 4(3x^2+4)
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